Itty Bitty Double FLEX Extruder

An original two-material extruder for Hexagon and E3Dv6 hot ends with mounting hardware for MakerFarm printers.

3D printer parts and enhancements

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The Itty Bitty Double FLEX is the second iteration of the Clough42 Itty Bitty Double Extruder. This new version is designed to accomodate flexible filament and E3Dv6 hot ends.

Key Features:

- Designed for Hexagon or E3Dv6 hot ends on 27mm centers
- Short, straight filament path to accommodate flexible materials
- Uses the same hardware kit as the original Itty Bitty Double Extruder
- NEMA 14 motors
- Silent GT2 belt drives with printed pulleys
- Integrated servo Z probe
- Cam-lock idler bearing pins
- Uses standard MakerFarm hobbed bolts
- Lighter than a stock Accessible Extruder
- Integrated hot end cooling
- Mounting hardware for Prusa i3v printers

A hardware kit is available:

For required hardware, assembly instructions, firmware configuration and extruder calibration:

Materials and methods

To build the Itty Bitty Double FLEX extruder, you will need:

-Hardware kit (

-Light extruder springs (optional for flexible filaments) (

-Hobbed bolts (2)

-Hot ends (2)

-NEMA14 stepper motors (2) (

-HXT900 Servo (

-Z probe switch (recommended:

-25x25x10 fan (for Hexagon hot ends) (recommended:

-40x40x10 fan (for print cooling)



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8fe8612d7f63799a49e79b79e430578a?default=blank&size=40Wes D added this to the Extruders collection ago
17c179c5abad7c3beaa87108bba4d84d?default=blank&size=40Dirk added this to the To print collection ago
E59a63e4a70c7ef90f9ab0eeefa8e906?default=blank&size=40Shro added this to the Γ€ faire collection ago
929f12cf18c9f6f970a843501f3d978e?default=blank&size=40cyberhawkv added this to the My Collection collection ago
Mini jamescJames Clough published this design ago